A Google+ post has a(n) ________ character limit

When you try to save a file, your computer gives you a warning that you do not have enough disk space. Which of the following upgrades target the warning?

a. adding more memory or RAM b. adding more disk space c. all of the above

With a _____ network connection, the computers and other devices on the network are physically connected via cabling to the network.

A. ?radionic B. ?wired C. ?shortwave D. ?cellular